Comprehensive Substantiation of the Impact of Pre-Support Technology on a 50-Year-Old Subway Station During the Construction of Undercrossing Tunnel Lines

Comprehensive Substantiation of the Impact of Pre-Support Technology on a 50-Year-Old Subway Station During the Construction of Undercrossing Tunnel Lines

Due to the long operation period of Beijing Metro Line 2 and the complex surrounding building environment, this paper comprehensively studied the mechanical properties of new tunnels using close-fitting undercrossing based on pre-support technology. To control structural deformation caused by the ex...

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Bibliographic Details
Main Authors: Bin Zhang, Shaohui He, Jianfei Ma, Jiaxin He, Yiming Li, Jinlei Zheng
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Infrastructures
Subjects:
pre-supporting technology
existing subway station
pile–beam–arch method
undercrossing tunnel lines
settlement control
numerical simulation
Online Access:https://www.mdpi.com/2412-3811/10/7/183
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